旅程的起點

網址 https://blog.zimbra.com/2022/08/configuring-fail2ban-on-zimbra/

1. 設定白名單(local IP)
sudo -u zimbra -
zmprov mcf +zimbraMailTrustedIP 127.0.0.1 +zimbraMailTrustedIP {IP of Server}
zmcontrol restart

2. 安裝 fail2ban
apt-get update
apt-get install fail2ban -y

3. 設定f2b白名單

#nano /etc/fail2ban/jail ...

[問題]
首次安裝完Graylog 7.0後出現登入畫面但不管輸入預設的admin/admin或到server.conf更改密碼後仍無法登入
[解答]
Graylog 7.0 首次登入稱為PreflightLogin, 帳號及密碼顯示在/var/log/graylog-server/server.log內。
請到該檔案找到首次登入的密碼

連結：https://go2docs.graylog.org/7-0/setting ... lightLogin

參考資料：https://techcommunity.microsoft.com/t5/ ... a-p/425071

https://www.intel.com/content/www/us/en ... tions.html

參考資料：https://free.com.tw/windows-update-max-pause-days/

STEP 1
開啟執行（快捷鍵 Win + R）後輸入 regedit 啟動登錄編輯程式。
STEP 2
從左側依序「電腦 \ HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ WindowsUpdate \ UX \ Settings」找到相關路徑，在右側空白處按下滑鼠右鍵新增數值。
STEP 3
點選右鍵後選擇「新增」、「DWORD（32-位元）值」，輸入數值名稱「FlightSettingsMaxPauseDays ...

https://phoenixnap.com/kb/linux-create-partition

Create The Partition
Option 1: Partition a Disk Using parted Command
Step 1: List Partitions
sudo parted -l

Step 2: Open Storage Disk
sudo parted /dev/sdb
select /dev/sdb
Step 3: Make a Partition Table
mklabel gpt
Step 4: Check Table ...

https://s905060.gitbooks.io/site-reliability-engineer-handbook/content/how_to_identify_defective_dimm_from_edac_error_on_.html

How to identify defective DIMM from EDAC error on Linux
DIMM error is rare, but sometime still happens. It's easy to identify them if they are completely dead, however, if ...

Broadcom Raid card工具
使用此工具撈raid card上的log以及status
1. 下載
https://www.broadcom.com/support/download-search?pg=&pf=&pn=&pa=&po=&dk=storcli&pl=&l=false
Latest MR7.4載點
https://docs.broadcom.com/docs/1232743081
安裝說明
https://docs.broadcom.com/docs/1232743064

2. 下載、解壓縮後選擇對應系統檔案執行or安裝
3. 常用指令(使用系統管理員/root權限 ...

PTP testing

官網
https://software.es.net/iperf/index.html#
下載
https://iperf.fr/iperf-download.php
教學(Ubuntu)
https://lindevs.com/install-iperf-on-ubuntu

Configure network settings:
1. Connect two systems (E.g., target and laptop) by directly plugging a cable between them.
2. Ensure that both systems are on the ...